﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;


class matrix
{
    static void Main()
    {
        Console.Write("Enter N ");
        int n = Convert.ToInt32(Console.ReadLine());
        Console.WriteLine();
        for (int i = 1; i <= n; i++) 
        {
           for (int j = i; j <= i+(n - 1); j++) 
            {
                Console.Write(" {0} ",j);
            }
           Console.WriteLine();
        }
        Console.WriteLine();
    }
}

